The Autobots find the Allspark and the Decepticons try to seize it.
Guest Stars:
Townsend Coleman, Cree Summer
The battle continues; Sari Sumdac discovers the Autobots and the Allspark.
Starscream captures Bumblebee and a number of civilians in an attempt to obtain the Allspark.
The Autobots find that their new base on Earth is already inhabited.
A bioengineering genius experiments with some of Bumblebee's hydraulic fluid.
Guest Stars:
Peter Stormare
Megatron reprograms Professor Sumdac's animatronic dinosaurs, turning them into Dinobots.
Ratchet's old enemy, the bounty hunter Lockdown, resurfaces.
Guest Stars:
Lance Henriksen, Susan Blu
Bumblebee springs into action when Megatron unleashes a speed demon and sends it on a crime spree.
Guest Stars:
Brian Posehn
Blackarachnia confronts Bumblebee and Bulkhead as they are celebrating their first Halloween.
Guest Stars:
Townsend Coleman, Cree Summer
Bulkhead is suspicious of the musical robot player Sari receives as a birthday gift.
Guest Stars:
Kath Soucie
Blitzwing and Lugnut come to Earth to help Megatron get the Allspark.
When Sari mysteriously disappears, Prowl and Bulkhead go searching for her on Dinobot Island.
Guest Stars:
Peter Stormare
A disgruntled former employee tries to use an Autobot to destroy the city in a bid for revenge.
Guest Stars:
Alexander Polinsky
Prowl, Bumblebee, and Sari investigate a Cybertronian energy signal detected by Optimus Prime.
Starscream, Lugnut and Blitzwing invade Earth; Optimus Prime makes Sari turn over her Allspark key.
Guest Stars:
Cree Summer